diff --git a/src/screens/SendTxEmbed.tsx b/src/screens/SendTxEmbed.tsx
index 1a56fe8..b17010d 100644
--- a/src/screens/SendTxEmbed.tsx
+++ b/src/screens/SendTxEmbed.tsx
@@ -7,7 +7,7 @@ import {
 import JSONbig from 'json-bigint';
 import { AuthInfo, SignDoc } from "cosmjs-types/cosmos/tx/v1beta1/tx";
 
-import { DirectSecp256k1Wallet, Algo, TxBodyEncodeObject } from '@cosmjs/proto-signing';
+import { DirectSecp256k1Wallet, Algo, TxBodyEncodeObject, decodeOptionalPubkey } from '@cosmjs/proto-signing';
 import { SigningStargateClient } from '@cosmjs/stargate';
 import { toHex } from '@cosmjs/encoding';
 
@@ -296,12 +296,7 @@ export const SendTxEmbed = () => {
                       ...AuthInfo.decode(transactionDetails.signDoc.authInfoBytes),
                       signerInfos: AuthInfo.decode(transactionDetails.signDoc.authInfoBytes).signerInfos.map((info) => ({
                         ...info,
-                        publicKey: info.publicKey
-                          ? {
-                            ...info.publicKey,
-                            value: toHex(info.publicKey.value),
-                          }
-                          : undefined,
+                        publicKey: decodeOptionalPubkey(info.publicKey)
                       })),
                     },
                     null,